US Patent Issued to Arelac on Jan. 13 for "Methods and systems for treatment of limestone to form vaterite" (California Inventors)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,522,511, issued on Jan. 13, was assigned to Arelac Inc. (San Jose, Calif.).

"Methods and systems for treatment of limestone to form vaterite" was invented by Michael Joseph Weiss (Los Gatos, Calif.) and Ryan J Gilliam (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided herein are methods and systems to form calcium carbonate comprising vaterite, comprising dissolving limestone in an aqueous base solution under one or more precipitation conditions to produce a precipitation material comprising calcium carbonate and a supernatant solution, wherein the calcium carbonate comprises vaterite."

The patent was filed on May 22, 2023, under...